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Treatment and prophylaxis of seborrheic dermatitis of the scalp with antipityrosporal 1% ciclopirox shampoo.

Author(s): Shuster S, Meynadier J, Kerl H, Nolting S

Affiliation(s): Department of Dermatology, University Hospital, Norwich, England. sam@shuster42.freeserve.co.uk

Publication date & source: 2005-01, Arch Dermatol., 141(1):47-52.

Publication type: Clinical Trial; Multicenter Study; Randomized Controlled Trial

OBJECTIVE: To demonstrate the efficacy, safety, and tolerance of ciclopirox shampoo for treatment and prophylaxis of seborrheic dermatitis of the scalp. DESIGN: Multicenter, randomized, double-blind, vehicle-controlled study. After treatment with ciclopirox shampoo once or twice weekly or vehicle for 4 weeks (study segment A), responders were randomized to a 12-week prophylactic study arm (segment B). SETTING: Forty-five medical centers in Germany (n = 19), France (n = 15), the United Kingdom (n = 8), and Austria (n = 3).Patients A total of 1000 patients with stable or exacerbating seborrheic dermatitis of the scalp.Interventions A total of 949 patients were randomized to receive ciclopirox treatment once or twice weekly or vehicle for 4 weeks. Thereafter, 428 responders received either ciclopirox prophylaxis once weekly or every 2 weeks or vehicle for 3 months. MAIN OUTCOME MEASURES: Primary and secondary: response of "effectively treated" and "cured," with investigators and patients rating acceptability and tolerance. RESULTS: Ciclopirox twice and once weekly produced response rates of 57.9% and 45.4%, respectively, compared with 31.6% for vehicle. Relapses occurred in 14.7% of patients using prophylactic ciclopirox once weekly, 22.1% of those in the prophylactic group shampooing once every 2 weeks, and 35.5% in the vehicle group. The few adverse events were evenly distributed among groups. Local tolerance and cosmetic acceptability were "good" in more than 85% of subjects. CONCLUSIONS: Seborrheic dermatitis of the scalp responds well to 1% ciclopirox shampoo once or twice weekly for 4 weeks. A low relapse rate is maintained by once-weekly shampooing or shampooing once every 2 weeks. These treatments are safe and well-tolerated.

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